Finding the Fourth Proportional to 314,872,788.09, 434,681,762.04 and 195,833,749.98
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Solution
The fourth proportional to 314,872,788.09, 434,681,762.04 and 195,833,749.98 is: 270,348,416.02
Step by Step Solution
- Step 1: Write the proportion equation
314,872,788.09 : 434,681,762.04 = 195,833,749.98 : x - Step 2: Convert to fraction form
314,872,788.09/434,681,762.04 = 195,833,749.98/x - Step 3: Cross multiply
314,872,788.09x = 434,681,762.04 × 195,833,749.98 - Step 4: Simplify right side
314,872,788.09x = 85,125,359,508,207,216 - Step 5: Solve for x
x = 85,125,359,508,207,216/314,872,788.09 - Step 6: Final answer
x = 270,348,416.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.